Merge pull request qmk#23 from system76/update-intructions

Thanks!

keyboards/system76/launch_1/README.md

@@ -1,6 +1,6 @@
 ## Flashing firmware:
 * Clone this repository and `cd` into the `qmk_firmware` directory.
-* After cloning, you probably need to run `make git-submodule` as well as `./util/qmk_install`.
+* After cloning, you probably need to run `make git-submodule` as well as `./util/qmk_install.sh`.
    - You may also need to install dependencies: `sudo apt install avrdude gcc-avr avr-libc`
 * To build the firmware without flashing the keyboard, use `make (keyboard name):(layout name)`
    - For example, if you want to build the `default` layout for the Launch keyboard, run: